The GMS Campaign ID
Optionaldaily_Daily budget for Campaign
The action to perform
Optionalend_End date of Campaign (DD-MM-YYYY format)
Optionalreference_Generated by developers, used to prevent duplicate requests
Optionalroas_ROAS target for the campaign
Optionalstart_Start date of Campaign (DD-MM-YYYY format)
Parameters for the edit GMS product campaign API